Construction calculators
Net quantity â waste â purchase â materials â costs â margin â quote. No signup to calculate.
- Wall & ceiling area calculator
Net m² minus doors and windows.
- Paint calculator
Litres, coats and buckets from coverage.
- Tile calculator
Pieces and boxes with cutting waste.
- Adhesive & grout calculator
Thin-set bags and grout by consumption.
- Drywall calculator (boards)
Boards by area and sides.
- Framing & screws calculator
Studs, tracks, screws and compound.
- Brick calculator
Units per m² of wall.
- Concrete block calculator
40Ă20 blocks per m².
- Mortar calculator
Bags by area or volume.
- Concrete calculator
Slab/footing mÂł or direct volume.
- Cement, sand & gravel calculator
Indicative breakdown per mÂł.
- Laminate flooring calculator
Boxes and underlay.
- Baseboard calculator
Metres and pieces minus doors.
- Labour & margin calculator
Cost, overhead, markup/margin and GST.
- Full renovation estimator
Chapter & $/m² estimate.
Frequently asked questions
- Which calculators are there?
- 15: area, paint, tile, adhesive, drywall, framing, brick, block, mortar, concrete, cement, flooring, baseboard, labor and renovation.
- How do I choose one?
- By trade or material: each page says what it estimates and with which formula.
- Do all show the formula?
- Yes: visible formula, worked example and assumptions on every page.